001    /* Copyright  (c) 2002 Graz University of Technology. All rights reserved.
002     *
003     * Redistribution and use in  source and binary forms, with or without 
004     * modification, are permitted  provided that the following conditions are met:
005     *
006     * 1. Redistributions of  source code must retain the above copyright notice,
007     *    this list of conditions and the following disclaimer.
008     *
009     * 2. Redistributions in  binary form must reproduce the above copyright notice,
010     *    this list of conditions and the following disclaimer in the documentation
011     *    and/or other materials provided with the distribution.
012     *  
013     * 3. The end-user documentation included with the redistribution, if any, must
014     *    include the following acknowledgment:
015     * 
016     *    "This product includes software developed by IAIK of Graz University of
017     *     Technology."
018     * 
019     *    Alternately, this acknowledgment may appear in the software itself, if 
020     *    and wherever such third-party acknowledgments normally appear.
021     *  
022     * 4. The names "Graz University of Technology" and "IAIK of Graz University of
023     *    Technology" must not be used to endorse or promote products derived from 
024     *    this software without prior written permission.
025     *  
026     * 5. Products derived from this software may not be called 
027     *    "IAIK PKCS Wrapper", nor may "IAIK" appear in their name, without prior 
028     *    written permission of Graz University of Technology.
029     *  
030     *  THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
031     *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
032     *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
033     *  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE LICENSOR BE
034     *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
035     *  OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
036     *  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
037     *  OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
038     *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
039     *  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
040     *  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
041     *  POSSIBILITY  OF SUCH DAMAGE.
042     */
043    
044    package demo.pkcs.pkcs11;
045    
046    //import java.security.PrivateKey;
047    
048    import iaik.pkcs.pkcs11.objects.PrivateKey;
049    
050    
051    
052    /**
053     * This is an adapter class that allows to use token keys as JCA private keys.
054     * An application can use this class whereever an interface requires the
055     * application to pass an JCA private key; e.g. for signing.
056     *
057     * @author <a href="mailto:Karl.Scheibelhofer@iaik.at"> Karl Scheibelhofer </a>
058     * @version 0.1
059     * @invariants
060     */
061    public class TokenPrivateKey implements java.security.PrivateKey {
062    
063      /**
064       * The PKCS#11 private key of this object.
065       */
066      protected PrivateKey tokenPrivateKey_;
067    
068      /**
069       * Create a new JCA private key that uses the given PKCS#11 private key
070       * internally.
071       *
072       * @param tokenPrivateKey The PKCS#11 private key that this object refers to.
073       * @preconditions
074       * @postconditions
075       */
076      public TokenPrivateKey(PrivateKey tokenPrivateKey) {
077        tokenPrivateKey_ = tokenPrivateKey;
078      }
079    
080      /**
081       * Just returns null.
082       *
083       * @return null.
084       * @preconditions
085       * @postconditions (result == null)
086       */
087      public String getAlgorithm() {
088        return null ;
089      }
090    
091      /**
092       * Just returns null.
093       *
094       * @return null.
095       * @preconditions
096       * @postconditions (result == null)
097       */
098      public String getFormat() {
099        return null ;
100      }
101    
102      /**
103       * Just returns null.
104       *
105       * @return null.
106       * @preconditions
107       * @postconditions (result == null)
108       */
109      public byte[] getEncoded() {
110        return null ;
111      }
112    
113      /**
114       * Returns the PKCS#11 private key object that this object refers to.
115       *
116       * @return The KCS#11 private key object that this object refers to.
117       * @preconditions
118       * @postconditions
119       */
120      public PrivateKey getTokenPrivateKey() {
121        return tokenPrivateKey_ ;
122      }
123    
124    }